Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

47°F

8°C

Humidity 77%
Wind Speed N 12 mph
Barometer 30.21 in (1022.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 4 Dec 8:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: A 20 percent chance of showers after 3am.  Cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly before noon.  Cloudy, with a high near 53. North northeast wind around 5 mph becoming calm  in the morning.

    High: 53 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Calm wind becoming west around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind around 5 mph becoming south southwest in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind becoming west around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. North wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. East southeast wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Cloudy, with a low around 43. North wind 5 to 10 mph.
Friday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 53. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 46. Calm wind becoming west around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind around 5 mph becoming south southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 51. Calm wind becoming west around 5 mph after midnight.
Sunday
Sunny, with a high near 72. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. North wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 61. North wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 40. East southeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
8:50 pm CST Dec 4, 2025
9pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database